How to check when to replace your Samsung Galaxy phone battery

Discover how to check your Samsung Galaxy phone's battery health, identify signs of degradation, and determine if a replacement is needed using built-in tools or professional diagnostics.

If your Samsung Galaxy phone is experiencing shorter battery life, unexpected shutdowns, or frequent charging needs, it may be time to evaluate your battery's condition. Learn how to assess battery health using the Samsung Members app and understand when a replacement might be necessary.

1. When Should I Replace My Samsung Galaxy Phone Battery?

Lithium-ion batteries degrade over time, reducing their capacity to hold a charge. Replacing your battery can restore performance if you notice the following signs:

- The battery drains significantly faster than before despite unchanged usage patterns.

- Your device shuts down unexpectedly, especially in cold environments or during winter.

- The phone requires more frequent charging to last through the day.

- A battery performance degradation alert appears on your device.

2. What Is a Battery Performance Degradation Alert?

Samsung Galaxy devices may display a battery performance degradation alert when the battery's efficiency drops significantly. This pop-up notifies you that the battery may need inspection or replacement to maintain optimal performance.

If the alert appears repeatedly or your battery continues to drain faster than expected, we recommend visiting a Samsung Service Centre for a professional evaluation.

3. How to Check Battery Condition Using the Samsung Members App

You can easily check your Samsung Galaxy phone's battery health using the Samsung Members app. Follow these steps to perform a self-diagnosis:

1. Open the Samsung Members app on your device.
2. Tap on the menu icon (three horizontal lines) in the top-left corner.
3. Select "Service" from the menu options.
4. Choose "Battery Test" or "Diagnostics."
5. Follow the on-screen instructions to complete the test.

The app will provide a battery status report with one of the following results:

- Normal: No performance issues with the battery.

- Weak: Battery efficiency may have decreased due to long-term use or environmental conditions.

- Bad: Battery life has significantly degraded. Visit your local Samsung Support Centre for advice on replacement.

Note: Menu names, paths, and screen layouts may vary depending on your device model, software, or app version.

4. Additional Things to Check

Before concluding that your battery needs replacement, consider these factors:

- Ensure your device is running the latest software version, as updates often include battery optimization improvements.

- Check for background apps consuming excessive power in Settings > Battery > Battery Usage.

- Avoid exposing your device to extreme temperatures, as heat and cold can temporarily affect battery performance.

5. Supported Samsung Galaxy Devices

The Samsung Members app and battery diagnostics are available on most Galaxy devices, including:

Galaxy S24, Galaxy S25, Galaxy S26, Galaxy Z Fold, Galaxy Z Flip, and Galaxy A series models.

6. Related Samsung Support Topics

→ How to extend battery life on Samsung Galaxy devices

→ How to optimize battery settings on Samsung Galaxy phones

→ How to visit a Samsung Service Centre for battery replacement